migrate nvim config to 0.12.0: vim.pack, ui2, snacks -> mini, just general spring cleaning

nvim/lua/colorsync_integration.lua

@@ -0,0 +1,22 @@
+local filepath = vim.fs.joinpath(os.getenv("HOME"), ".local/state/colorsync/current")
+
+vim.api.nvim_create_augroup("ColorsyncEvents", { clear = true })
+
+local handle = vim.uv.new_fs_event()
+if not handle then
+    vim.notify("colorsync: failed to create fs event handle", vim.log.levels.ERROR)
+    return
+end
+
+handle:start(filepath, {}, function(err)
+    if err then
+        vim.schedule(function()
+            vim.notify("colorsync: error watching " .. filepath .. "\n" .. err, vim.log.levels.ERROR)
+        end)
+        return
+    end
+
+    vim.schedule(function()
+        vim.api.nvim_exec_autocmds("User", { pattern = "ColorsyncThemeChanged", modeline = false })
+    end)
+end)